This document provides definitions and explanations of medical terminology related to the skin and sensory systems. It discusses terms referring to different types of dermatitis, skin structures like hair follicles and sebaceous glands, eye structures, ear structures, and the five senses of vision, hearing, smell, taste, and touch. Medical conditions involving these body systems are also defined, such as psoriasis, conjunctivitis, iridocyclitis, retinal detachment, otitis media, rhinitis, anosmia, and Meniere's disease.